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Intelligent ECU exhaust control valve
The S63 sounds decent from factory but at Valvetronic Designs
Dyno tuned for maximum exhaust flow with minimum back pressure
they will not only look the part
Attaching seamlessly to your OEM gear selector
PureTurbos BMW N55 PURE500 N55 Install Kit:No Install Kit Intelligent ECU exhaust control valveStg1: Top end gains of up to 70whp depending on supporting mods Stg1 and Stg2 available for ALL N55 CARS. See Stg2 here. Features and Benefits of the PURE Stage 1 Turbo: Stealth stock appearance Stock like fast spool Easy to install (does not require turbofold removal) CNC Machined Compressor Housing VSR Balanced to OE N55 Specs Larger than Stock and our Original Stage 1 Billet Compressor Wheel New High Flow 9 Blade Drop In Turbine Wheel
